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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $88,257,000 | 22,167,900 | 22,167,900 |
| 2006 | $116,625,000 | 26,246,700 | 26,246,700 |
| 2007 | $210,949,000 | 32,935,700 | 32,935,700 |
| 2008 | $221,874,000 | 36,334,319 | 36,334,319 |
| 2009 | $105,377,000 | 22,483,353 | 22,483,353 |
| 2010 | $117,020,168 | 24,034,089 | 24,034,089 |
| 2011 | $165,082,976 | 28,565,236 | 28,565,236 |
Note: Quantity represents Weight in kilograms
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